Slack Technologies Inc. co-founders Butterfied and Henderson at the New York Stock Exchange (NYSE) during...
REFILE - CORRECTING INFORMATION AND SLUG Slack Technologies Inc. co-founders Chief Executive Officer (CEO) Stewart Butterfield (L) and Chief Technology Officer (CTE) Cal Handerson pose together at the New York Stock Exchange (NYSE) during the company's direct listing in New York, U.S. June 20, 2019. REUTERS/Brendan McDermid